From 7bc7f1ed265fad2df843c1e7b2bfd34cf8deb366 Mon Sep 17 00:00:00 2001
From: Ash Browning <ambrowning89@gmail.com>
Date: Mon, 7 Jan 2019 11:19:12 +0000
Subject: [PATCH] fix(intersectionObs): guarding against undefined window

---
 src/utils/intersection-observer.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utils/intersection-observer.js b/src/utils/intersection-observer.js
index 97840e3..9af89c7 100644
--- a/src/utils/intersection-observer.js
+++ b/src/utils/intersection-observer.js
@@ -1,5 +1,6 @@
 export default function() {
   return (
+    typeof window !== 'undefined' &&
     'IntersectionObserver' in window &&
     'isIntersecting' in window.IntersectionObserverEntry.prototype
   );